11520514644323 has 16 divisors (see below), whose sum is σ = 12964864273920. Its totient is φ = 10172431910016.

The previous prime is 11520514644293. The next prime is 11520514644371. The reversal of 11520514644323 is 32344641502511.

It is not a de Polignac number, because 11520514644323 - 2³⁶ = 11451795167587 is a prime.

It is a super-2 number, since 2×11520514644323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520514644623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173108615 + ... + 173175152.

It is an arithmetic number, because the mean of its divisors is an integer number (810304017120).

Almost surely, 2^{11520514644323} is an apocalyptic number.

11520514644323 is a deficient number, since it is larger than the sum of its proper divisors (1444349629597).

11520514644323 is a wasteful number, since it uses less digits than its factorization.

11520514644323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346283906.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 11520514644323 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, six hundred forty-four thousand, three hundred twenty-three".